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1. 发明申请

US20060108759A1 Steering system 有权
标题翻译：转向系统
公开(公告)号：US20060108759A1
公开(公告)日：2006-05-25
申请号：US10525209
申请日：2003-05-30
申请人： Noboru Nishiko
发明人： Noboru Nishiko
IPC分类号： B62D3/12
CPC分类号： F16H55/283 , B62D3/12 , B62D3/123 , F16H55/285 , Y10T74/1967 , Y10T74/19819
摘要： A rack shaft (110) has a rolling contact surface (110b) on the opposite side of rack teeth (110a) across an axis line X, and a pair of slanted surfaces (110c, 110c) extending in parallel with the axis line across the rolling contact surface (110b). Furthermore, a roller (123) rolling on the rolling contact surface (110b) of the rack shaft (110) and an urging member (130) having contact with the pair of slanted surfaces (110c, 110c) for applying an urging force are provided. The urging member (130) is attached to the housing (101), forms an annular configuration surrounding the entire circumference of the rack shaft (110), and has contact portions (130b, 130b) having contact with the pair of slanted surfaces (110c, 110c) to apply the urging force. Therefore, the force exerted on the rack shaft (110) by a pinion (103a) can be supported by a cylindrical roller (123) contacting with the rolling contact surface (110b). Moreover, it is possible to restrain a rotational displacement of the rack shaft (110) about the axis line by applying the urging force against the pair of slanted surfaces (110c, 110c) of the rack shaft (110) by the contacting portions (130b, 130b) of the urging member (130). Also, since the urging member (130) has an annular configuration, it is advantageously possible to easily attach or detach the urging member (130) to or from the housing (101) without using a connecting member such as adhesive or a screw.
摘要翻译：齿条轴（110）在齿条齿（110a）的相对侧穿过轴线X具有滚动接触表面（110b），以及一对倾斜表面（110c，110c），其与轴线穿过滚动接触表面（110b）。此外，在所述齿条轴（110）的滚动面（110b）上滚动的滚子（123）和与所述一对倾斜面（110c，110c）接触的施力构件（130c）提供力量。推动构件（130）附接到壳体（101），形成围绕齿条轴（110）的整个圆周的环形构造，并且具有与一对倾斜表面接触的接触部分（130b，130b）（110c，110c）以施加推动力。因此，由小齿轮（103a）施加在齿条轴（110）上的力可以由与滚动接触面（110b）接触的圆柱滚子（123）支撑。此外，可以通过对齿条轴（110）的一对倾斜面（110c，110c）施加施力而通过接触部分来限制齿条轴（110）绕轴线的旋转位移（130b，130b）。此外，由于推动构件（130）具有环形构造，所以有利地可以在不使用诸如粘合剂或螺钉的连接构件的情况下容易地将推动构件（130）附接或从壳体（101）拆卸。

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